Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu nhap dan slippers" » "thu ha dan slippers", "khu nha dan slippers", "thu nhan dan slippers", "thu nhac dan slippers", "thu hap dan slippers", "thu nhap dan slippery", "thu nhap dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("thu nhap dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu nhap dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu nhap dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu nhap dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.